Which table shows a proportional relationship between x and y? x 2 3 4 5 y 7 9 11 13 x 3 6 8 10 y 12 15 18 20 x 3 7.5 15 20 y 1 2.5 4 6 x 1 2 7 8 y 0.5 1 3.5 4

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Neal buys a board game. he pays for the board game and pays $1.54 in sales tax. the sales tax rate is 5.5%. what is the original price of the board game, before tax

The random variable x has probability density function f (x) = k(−x²+5x−4) 1 ≤ x ≤ 4 or =0 1 show that k = 2/9 find 2 e(x), 3 the mode of x, 4 the cumulative distribution function f(x) for all x. 5 evaluate p(x ≤ 2.5). 6 deduce the value of the median and comment on the shape of the distribution.